Finding the Fourth Proportional to 201,293.60, 277,779.28 and 115,249.68
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Solution
The fourth proportional to 201,293.60, 277,779.28 and 115,249.68 is: 159,041.19
Step by Step Solution
- Step 1: Write the proportion equation
201,293.60 : 277,779.28 = 115,249.68 : x - Step 2: Convert to fraction form
201,293.60/277,779.28 = 115,249.68/x - Step 3: Cross multiply
201,293.60x = 277,779.28 × 115,249.68 - Step 4: Simplify right side
201,293.60x = 32,013,973,130.63 - Step 5: Solve for x
x = 32,013,973,130.63/201,293.60 - Step 6: Final answer
x = 159,041.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.